cardinal joseph ratzinger was 78 years old when he became pope in 2005 followi death of pope john paul ii. he was the first german to take over the role since the 11th century. pope benedict faced a string of challenges during his term from sexual abuse scandals involving members of the clergy to an investigation into money laundering in vatican city. in addition, a court convicted his former butler last year of stealing and leaking classified documents that alleged corruption in the vatican. the pope pardoned him over christmas. it's rare for a pope to resign. they usually die in the job. top members of the catholic church will now start planning their conclave. the meeting they hold to choose a successor. >>> u.s. and south korean marines have given reporters a glimpse of their first joint winter drills. the marines started training together last week in the south korean mountain town of pyeongchang. they're improving their combat skills. about 400 marines practiced in a temperature of minus 10 degrees celsius. they shot at targets while skiing down a mountain and rappelled down a cl